Home / 75,498.12-104,202.48-57,561.06

Finding the Fourth Proportional to 75,498.12, 104,202.48 and 57,561.06

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Solution

The fourth proportional to 75,498.12, 104,202.48 and 57,561.06 is: 79,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,498.12 : 104,202.48 = 57,561.06 : x
  2. Step 2: Convert to fraction form
    75,498.12/104,202.48 = 57,561.06/x
  3. Step 3: Cross multiply
    75,498.12x = 104,202.48 × 57,561.06
  4. Step 4: Simplify right side
    75,498.12x = 5,998,005,203.43
  5. Step 5: Solve for x
    x = 5,998,005,203.43/75,498.12
  6. Step 6: Final answer
    x = 79,445.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.